There are
185 mi
from Davenport, IA to Deerfield, IL
That's the driving distance. It would take 3 hours 36 mins to go from Davenport, Iowa to Deerfield, Illinois.
The flight distance (direct flight from Davenport, IA to Deerfield, IL) is 147.61 mi.
185 mi = 297.04 kms